Moved moving platforms code (#1759)

* Moved moving platforms code

Move the moving platforms before moving the player. That way, the player's movement is up to date with the platform's position.

* Update physics_engines.py

---------

Co-authored-by: Einar Forselv <eforselv@gmail.com>

arcade/physics_engines.py

@@ -399,8 +399,6 @@ def update(self):
 
         # print(f"Spot B ({self.player_sprite.center_x}, {self.player_sprite.center_y})")
 
-        complete_hit_list = _move_sprite(self.player_sprite, self.walls + self.platforms, ramp_up=True)
-
         for platform_list in self.platforms:
             for platform in platform_list:
                 if platform.change_x != 0 or platform.change_y != 0:
@@ -433,6 +431,8 @@ def update(self):
 
                     platform.center_y += platform.change_y
 
+        complete_hit_list = _move_sprite(self.player_sprite, self.walls + self.platforms, ramp_up=True)
+
         # print(f"Spot Z ({self.player_sprite.center_x}, {self.player_sprite.center_y})")
         # Return list of encountered sprites
         # end_time = time.time()